Use new uuid export

Signed-off-by: David Mehren <git@herrmehren.de>

lib/csp.js

@@ -1,5 +1,5 @@
 const config = require('./config')
-const uuid = require('uuid')
+const { v4: uuidv4 } = require('uuid')
 
 const CspStrategy = {}
 
@@ -98,7 +98,7 @@ function addReportURI (directives) {
 }
 
 CspStrategy.addNonceToLocals = function (req, res, next) {
-  res.locals.nonce = uuid.v4()
+  res.locals.nonce = uuidv4()
   next()
 }